NET 324DTutorial 2

Answer the following:1 -A system with 5 replica managers:

a. Draw the system if an active replication is applied?

b. Draw the system if a passive replication is applied?

c. Calculate the availability if there is 7% probability of a replica manager failure.

d. Calculate the availability if we use just a single server.

2- If the time required to open a certain page from the browser cache is 500ms , proxy cache is

2555ms and web server cache is 5000ms fill in the table below

Action The proximate time required

PC1 requests the page for the first time

PC2 requests the page for the first time

PC1 requests the page for the second time

PC2 requests the page for the second time

3- Describe the picture below? How does this related to your course?

Figure 1 http://www.cisco.com/c/en/us/td/docs/solutions/Verticals/Education/educationsraoverview.html

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NET 324DTutorial 2

4- Show how do you encode your name using SMI format ( use the Unicode)?For example NOUF

5- Show how do you encode an Octetstring with length 1000 bytes

6- According to the SMI encoding format, what is the maximum length that can be

presented using a single byte for the length field? give an example of a length that is more

than the maximum length and show how it will be encoded.

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